Variant branching pattern of Dorsalis pedis artery accompanied with Anomalous presence of extensor Hallucis brevis muscle

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Abstract

During routine dissection, we came across multiple variations in the dorsum of the right foot. Dorsalis pedis artery (DPA) presented with an unusual branching pattern. The arcuate artery was completely absent, and hence three tarsal branches arose from lateral side of DPA. The first branch continued as first dorsal metatarsal artery, the second branch continued as the second dorsal metatarsal artery, and the third branch continued as third dorsal metatarsal artery which also provided a small twig to the fourth intermetatarsal space as the fourth dorsal metatarsal artery. We also observed the unique presence of extensor hallucis brevis muscle with the origin from the medial part of superior surface of the calcaneus and inserted to proximal phalanx of great toe. Since the DPA was just beneath this muscle, anomalous presence of the muscle may lead to compression of DPA. Awareness regarding such variations is critical for angiographers, vascular surgeons, reconstructive and plastic surgeons.

Original languageEnglish
Article number9
JournalOnline Journal of Health and Allied Sciences
Volume16
Issue number3
Publication statusPublished - 01-01-2017

All Science Journal Classification (ASJC) codes

  • Medicine(all)

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